WF & TS

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For a new job the water flows and tamper switches are usually installed by the sprinkler fitter. Since the water flow switch is in the piping system the electrician cannot install it. We have added tamper switches on upgrading an existing building.
 
They are Fire Suppression (Sprinkler) monitoring devices. These are installed by the Sprinkler contractor and the monitoring wiring and relays are installed by the FA contractor.

Roger
 
mstrlucky74 said:
You guys ever install the waterflow or tamper switch or just the monitor modules?
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Once or twice someone has tried to get me to install a tamper switch on a gate valve. It isn't that difficult, but like many other things, it is not a liability that I want, so I have told them no. A flow switch is a different animal. It has to be an assembly that is installed in the piping system. As mentioned by Roger, that has to be installed by a sprinkler contractor.
 
I've installed many tamper switches and like Strat said they're pretty easy to install. Hardest part is filing a half circle groove in the shaft of the valve.
 
mstrlucky74 said:
You guys ever install the waterflow or tamper switch or just the monitor modules?
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In NJ you wouldn't be allowed to install either one unless you have a contractors certification, commonly called a "P" certificate. If you don't know what that is, don't touch either switch except to wire it.
 
gadfly56 said:
In NJ you wouldn't be allowed to install either one unless you have a contractors certification, commonly called a "P" certificate. If you don't know what that is, don't touch either switch except to wire it.
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As a rule I do not do alarm work. But I’m just curious, when did they come out with that requirement? I thought as long as you were in EC you automatically qualified.
 
goldstar said:
As a rule I do not do alarm work. But I’m just curious, when did they come out with that requirement? I thought as long as you were in EC you automatically qualified.
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For the alarm work, yes. Not for physically mounting the switches on/into the sprinkler system.
 
Just as well and the reason I don't do alarm work. The liability is greater than what the job is worth to me. Besides, how many EC's would you think know how to drain a wet sprinkler system, cut a hole for the flow switch in the riser pipe, at what distance from a fitting it should be, etc. and then how many would know how or where to install an alarm switch on a dry system, etc. So, I agree with the majority here, if you don't have the authorization to do that part of the job, let the sprinkler guys do it.
 
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